一般描述
Manufactured for Sigma by Boston Biochem., Inc.
应用
Proteasome Fraction II is ideal for demonstrating ubiquitin- and ATP-dependent degradation/conjugation of radiolabeled or immunodetectable substrates. Isopeptidase inhibitor and a proteasome inhibitor are highly recommended for the accumulation of ubiquitin protein conjugates. Typical assay concentration for FII is 0.5 - 4 mg/ml.
生化/生理作用
Essentially ubiquitin and ATP free. Contains E1, most E2s, UCHs, and the proteasome 20S and 26S isoforms.
Protein fraction of a cell extract that binds to anion-exchange resin.
外形
Solution in 25 mM HEPES, pH 7.6.
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
A Hershko et al.
The Journal of biological chemistry, 261(26), 11992-11999 (1986-09-15)
In order to gain insight into the mechanisms that determine the selectivity of the ubiquitin proteolytic pathway, the protein substrate binding site of the ubiquitin-protein ligase system was identified and examined. Previous studies had shown that the ligase system consists
A Hershko et al.
The Journal of biological chemistry, 258(13), 8206-8214 (1983-07-10)
By affinity chromatography of a crude reticulocyte extract on ubiquitin-Sepharose, three enzymes required for the conjugation of ubiquitin with proteins have been isolated. One is the ubiquitin-activating enzyme (E1), which is covalently linked to the affinity column in the presence
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